#include <stdio.h>
int main(void){
	int a, b;
	printf("please input two nums:"); 
	scanf("%d %d",&a, &b);
	printf("Result of %d + %d: %d\n",a, b, add(a, b)); 
    return 0;
}
int add(int a, int b){
	return a + b;
} 
